gem-hunter

React is a runtime performance and monitoring plugin for current Paper, Purpur, and Folia servers. It provides server samplers, optional performance features and tweaks, operator actions, in-game monitors and maps, and public APIs for entity protection and metric publishing.

The authoritative documentation begins with 00 - Overview.md. Installation and configuration are covered in 01 - Installation & Configuration.md, and the complete document index is maintained in React/AGENTS.md.

React requires Java 25. Run the wrapper from React/:

./gradlew build
./gradlew test
./gradlew shadowJar

The shaded plugin jar is written to React/build/libs/.